BlackRock
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BlackRock’s Compass Therapeutics CMPX Stock Holding History

BlackRock’s Portfolio CMPX Stock Details CMPX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$24.7M Buy
11,281,781
+1,775,701
+19% +$5.24M ﹤0.01% 3126
2026
Q1 		$50.3M Buy
9,506,080
+117,456
+1% +$678K ﹤0.01% 2491
2025
Q4 		$50.4M Buy
9,388,624
+2,017,877
+27% +$9.32M ﹤0.01% 2509
2025
Q3 		$25.8M Buy
7,370,747
+957,614
+15% +$3.02M ﹤0.01% 2930
2025
Q2 		$16.7M Sell
6,413,133
-695,957
-10% -$1.44M ﹤0.01% 3139
2025
Q1 		$13.5M Buy
7,109,090
+221,475
+3% +$589K ﹤0.01% 3158
2024
Q4 		$9.99M Buy
6,887,615
+67,163
+1% +$112K ﹤0.01% 3430
2024
Q3 		$12.5M Buy
6,820,452
+206,815
+3% +$258K ﹤0.01% 3288
2024
Q2 		$6.61M Buy
6,613,637
+581,171
+10% +$849K ﹤0.01% 3580
2024
Q1 		$11.9M Sell
6,032,466
-189,843
-3% -$328K ﹤0.01% 3259
2023
Q4 		$9.71M Buy
6,222,309
+248,574
+4% +$430K ﹤0.01% 3412
2023
Q3 		$11.8M Sell
5,973,735
-58,557
-1% -$145K ﹤0.01% 3241
2023
Q2 		$19.2M Buy
6,032,292
+4,491,397
+291% +$14.1M ﹤0.01% 3060
2023
Q1 		$5.04M Buy
1,540,895
+303,114
+24% +$1.19M ﹤0.01% 3636
2022
Q4 		$6.23M Buy
1,237,781
+365,284
+42% +$1.46M ﹤0.01% 3627
2022
Q3 		$1.99M Buy
872,497
+709,071
+434% +$1.96M ﹤0.01% 4200
2022
Q2 		$433K Buy
+163,426
New +$355K ﹤0.01% 4812

Other funds holding CMPX

TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
SCM
Suvretta Capital Management New York $5.47B AUM 131.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $345M AUM 134.64% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PAI
Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

BlackRock's CMPX Position: Q2 2026 in Review

BlackRock increased its Compass Therapeutics (CMPX) stake by 19% in Q2 2026, buying an estimated $5.24M and bringing the position to 11,281,781 shares worth $24.7M. The position accounts for ﹤0.01% of the portfolio, ranked #3126.

BlackRock first reported a position in CMPX in Q2 2022 and has held it in 17 quarters since. The position peaked at $50.4M in Q4 2025. 216 funds tracked by Wall St. Rank hold CMPX as of Q2 2026.

  • BlackRock held 11,281,781 shares of Compass Therapeutics worth $24.7M as of Q2 2026.
  • BlackRock bought 1,775,701 Compass Therapeutics shares in Q2 2026, an estimated $5.24M.
  • Compass Therapeutics made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #3126 holding.
  • BlackRock first reported a position in Compass Therapeutics in Q2 2022 and has held it in 17 quarters since.
  • BlackRock's Compass Therapeutics position peaked at $50.4M in Q4 2025.
  • 216 funds tracked by Wall St. Rank held Compass Therapeutics as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.